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Steel City Amateur Radio Club Pittsburgh

Pazin Croatia

ECARA is a non-profit organization dedicated to the public service and promotion of amateur radio, and is affilated with the American Radio Relay League.

Discussion groups for Shortwave Listening, Propagation, Amateur Radio, and related topics.

Our Mission: To provide emergency communications to central Ohio public safety, emergency, health, government and relief agencies in times of disaster.

Blue Mountains Amateur Radio Club located in the Blue Mountains west of Sydney. Resources and Information for members and all radio amateurs.

Ham Radio cartoons of common situations

Products and books for the radio hobbist. Antennas, Coax cables, filters,Lightning Protection, Wire & Cable, Books

USA

The Ellis County Amateur Radio Club is in Ellis County, located in North Central Texas just south of Dallas.

"Located at Nellis Airforce Base-Las Vegas, Nevada USA. Nellis RAC is a progressive radio club. Providing licensing classes, on-air code study group, vhf/uhf repeaters, emergency and public service communications, ""Aviation Nation"" Airshow Special Event Station N7V"

Home of Charleston Amateur Radio Society

Installing a ham radio transceiver into a moder vehicle and aspects you may consider.

With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

This group is being formed to support those radio enthusiasts that already have experience in SWL, Scanners, or Citizen Band/FRS radio that would like to know more about becoming a Ham.

Radio Amateur Club of Knoxville - ( RACK )

By Peter Kemp, KZ1Z

Indiana, Pennsylvania, USA

Introduction to the use of clusters and Packet Radio, hardware, settings and commands by ON4SKY

The CWJF CW Club website is a resource for Morse code radio enthusiasts in Juiz de Fora, Brazil. It provides information about the club, its activities, and contact details for those interested in joining. The site also includes news updates and event announcements for members and visitors.

Based in Virginia USA, offer repearing services for amateur radio equipment and related accessories

Serving Nebraska's oldest city, the Bellevue Amateur Radio Club provides public service support and emergency communicaitons services to the Bellevue and Greater Omaha area.

The mission of this Association is to foster and promote the hobby of Amateur Radio, to provide repeater systems for the Amateur Radio community, to provide public service and emergency communications when needed, to provide education for licensing, and to provide a forum for members to meet and exchange information, share experiences, and socialize with one another.

SFHRC - San Francisco Ham Radio Club, formed December 1,1998, to conduct activities to advance the general interest and welfare of Ham Radio in San Francisco and neighboring communities of the Bay Area.

San Antonio Texas area radio organizations, such as Ham Clubs, REACT Teams, etc.

List compiled by N4LCD with description of main frequency usage

Lot's of vintage radios from 30's

Balanced feed with coaxial line by John F. Clemens W9ERN

A collection of calculators, contest schedules, references, databases and more for Palm OS by KB7AVT

Illinois Cook County, police scanner includes Chicago Fire Dispatch channels (North, South, and HazMat)

The range and coverage of your VHF transceiver will be limited to your radio horizon. How to calculate the visual horizon and how to determine the Radio Horizon

Promoting Amateur Radio in Kitsap County Washington

The **Solarcon A99** vertical antenna, a half-wave over a quarter-wave variable mutual inductance design, primarily serves the 11-meter CB band but also finds use on 10 and 12 meters for amateur radio operators. Its simple construction, consisting of three fiberglass sections and a 16 AWG radiating element, makes it an accessible option for new operators or those seeking an easy-to-install base station antenna without complex mounting requirements. Despite claims of 9.9 dBi gain being widely considered exaggerated, and a manufacturer rating of 2000 watts power handling often viewed with skepticism (with 300 watts suggested as a practical limit), the A99 maintains popularity due to its low cost and ease of deployment. It typically tunes to a 1.2-1.3 SWR out of the box, requiring minimal adjustment via its two tuning rings. Its high angle of radiation allows for effective local communication even when mounted at low heights, such as 8-10 feet off the ground. However, the A99 is known for significant RF bleed-over issues, particularly when operated with higher power or mounted close to residential electronics. While its internal design is often described as cheap, the antenna exhibits remarkable durability, frequently lasting a decade or more in various weather conditions. Its affordability and straightforward setup continue to make it a go-to choice for many radio enthusiasts.

European free radio on shortwave and mediumwave.

Manually programming D-Star handheld transceivers like the _Icom ID-51A_ and _ID-31A_ can be a straightforward process, enabling operators to configure repeaters, simplex frequencies, and D-Star specific settings without relying on computer software. This method is particularly useful for field operations or when quick adjustments are needed, allowing hams to set up callsign routing, DR mode, and reflector links directly from the radio's interface. Understanding the menu structure and key sequences is crucial for efficient on-the-fly programming. Operators often find manual programming invaluable for activating new D-Star repeaters encountered during travel or for participating in local nets where specific G2 or G3 gateway configurations are required. While software like _CS-51_ offers convenience for bulk programming, the ability to manually input frequencies and D-Star parameters ensures operational flexibility. This approach also helps hams troubleshoot connectivity issues by verifying individual settings directly on the transceiver, ensuring proper D-Star registration and gateway access.

Receive and listen to FM and AM radio broadcasts on your browser or ChromeBook using an RTL2832U-based USB digital TV tuner.

DX Century Club First post-WWII Countries List

Radio ABC Denmark

winding coils for construction project

A club for hams who are also regulars on IRC (Internet Relay Chat).

"KC2DVQ ""CB Os Piratas"""

A selection of radio collectors from all around the world interested in collecting, repairing, restoring, trading, selling parts, radio magazines, advertising collectibles, old records and technical talk.

Monthly Amateur radio DX Peditions and Contest calendar at HamRadioWeb

Amateur Radio Club in Edinburgh. Founded in 1949 with twice monthly meetings and a range of activites including talks, DF hunts, vists and contesting.

This group is dedicated to those who are interested in getting started in amateur radio or upgrading to a higher class license

Organization created to provide support to IOTA expeditions

BFRA includes LZ callsign search

Le rendez-vous des radioamateurs ORGanis?s !.

Theory and origins of W4RNL Asymmetrical Hatted Vertical Dipole AHVD for portable operations.

Manufacturers and Installers of Masts, Towers, Antenna systems, Trailer Masts, Lattice Masts and Bracketry. Radio, CCTV and lighting masts, tower Refurbishments, safety surveys, mast tower inspections, safe to climb certification